/*******************************************************************************
* Copyright (C) 2014 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*******************************************************************************
*/
/*============================================================================
 * 
 * Author(s): Maxim Integrated Products
 * Contributors:
 * Date:          
 * Purpose:       
 * Description:
 * 
 *==========================================================================*/
#include <errors.h>

#include <libemv.h>

#include <emv_config.h>
#include <emv_slot.h>


int emv_get_last_error(int *err)
{
	int						result;
    emv_slot_t				*slot = emv_get_slot();

    /* Check device identifier */
    if ( (unsigned int)slot == EMV_FAKE_ADD_PATTERN )
    {
        result = COMMON_ERR_NO_DEV;
    }
	/* Bug correction #1037 */
	/* Check if the slot is initialized */
	else if ( !( slot->status & EMV_STATE_INITIALIZED ) )
	{  
        result = N_SCS_ERR_DEV_NO_SUPP;
	}
    /* Check parameter */
	else if ( !err )
	{
        result = COMMON_ERR_INVAL;
	}
	else
	{
		*err = slot->error;
		result = NO_ERROR;
	}

    return result;   
}
